code: def check_short_utt(sub_factor: int, size: int) -> Tuple[bool, int]:
      """Check if the input is too short for subsampling.
  
      Args:
          sub_factor: Subsampling factor for Conv2DSubsampling.
          size: Input size.
  
      Returns:
          : Whether an error should be sent.
          : Size limit for specified subsampling factor.
  
      """
      if sub_factor == 2 and size < 3:
          return True, 7
      elif sub_factor == 4 and size < 7:
          return True, 7
      elif sub_factor == 6 and size < 11:
          return True, 11
  
      return False, -1
  
file_path: espnet/espnet2/asr_transducer/utils.py
imports: from typing import List, Tuple, Union
  import torch
label_desc: Use image node_id 1 for calling a global function with example usage: check_short_utt(sub_factor, size) and returns: False,  unknown, True,  int, True,  int, True,  int